Php/docs/function.ksort
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ksort
(PHP 4, PHP 5, PHP 7)
ksort — Sort an array by key
Description
ksort
( array &$array
[, int $flags = SORT_REGULAR
] ) : bool
Sorts an array by key, maintaining key to data correlations. This is useful mainly for associative arrays.
Parameters
array- The input array.
flags- You may modify the behavior of the sort using the optional parameter
flags, for details see sort().
Return Values
Returns TRUE on success or FALSE on failure.
Examples
Example #1 ksort() example
<?php$fruits = array("d"=>"lemon", "a"=>"orange", "b"=>"banana", "c"=>"apple");ksort($fruits);foreach ($fruits as $key => $val) { echo "$key = $val\n";}?>
The above example will output:
a = orange b = banana c = apple d = lemon
See Also
- asort() - Sort an array and maintain index association
- The comparison of array sorting functions
